save project

diy2.py

+i=3
 username = "python"
 userpassword = "123456"
 while True:
@@ -5,9 +6,13 @@ while True:
     password = input("请输入密码:")
     if name == username and password == userpassword:
         print("登录成功!")
+        break
+        i-=1
     print("用户名和密码错误!请重新输入")
-    elif name != username:
+    if name != username:
         print("用户名不存在，请重新输入！"/n)
-    else :
-        print("密码输入错误，请重新输入！")
+    elif:
+        print("密码输入错误，请重新输入！"/n)
+    else:
+        
 print("欢迎来到贝尔编程!")
\ No newline at end of file